"
" .vimrc VIM Preferences File
" by Mike Crute (mcrute@gmail.com)
"
"
" Syntax Highlighting {{{
" Always use 256-color mode
set t_Co=256

syntax on

" MacVim gets its transparency settings all horked up if we don't
" set this before we do GUI initialization stuff.
set nocompatible
colorscheme PaperColor

" Try to use the best background for the running terminal
if $TERM_BG_SHADE == "light"
    set background=light
else
    set background=dark
end

" Do colors different things if this is a GUI vs a 256 color terminal
if has("gui_macvim") && has("gui_running")
    set guifont=Monaco:h14.00
    set lines=50
    set columns=100
    set background=light
    colorscheme hemisu
end

" Monospace 8 is a pretty nice font if we're running under GVIM.
" The columns/lines in this setting fits just perfectly on my
" Linux desktop at work at highest resolution.
if has("gui_gtk") && has("gui_running")
    set lines=75
    set columns=238
    set guifont=Monospace\ 8
endif

if has("gui_running")
    set guioptions=aegimtc
    set showtabline=1
else
    set showtabline=2
endif
" }}}
" General Settings {{{
set backspace=indent,eol,start
set browsedir=buffer
set fileformat=unix
set hidden
set history=1000
set modeline
set title
set nojoinspaces
set directory=~/.cache/vim//,~/tmp//,/var/tmp//,/tmp//
set viminfo='100,<50,s10,h,n$HOME/.cache/viminfo
set switchbuf=useopen
set tabpagemax=50
set vb t_vb=

" Defaults to ignore case on MacOS (vim 8+)
if exists("&fileignorecase")
    set nofileignorecase
end

if v:version > 703 || v:version == 703 && has("patch541")
  set formatoptions+=j " Delete comment character when joining commented lines
endif
"let mapleader=","

" Really large Go files in Kubernetes exceed the maximum pattern memory space
set maxmempattern=10000
" }}}
" Search Settings {{{
set hlsearch
set incsearch
set showmatch
set smartcase
" }}}
" Tab Settings {{{
"set autoindent
set expandtab
"set smarttab
set shiftwidth=4
set softtabstop=4
set tabstop=4
" }}}
" Visual Display {{{
set laststatus=2
set noequalalways
set nowrap
set number
set ruler
set scrolloff=4
set showcmd
set splitbelow
set splitright
set virtualedit=all
set wildmenu
set nospell
" }}}
" Vim Plugins {{{
filetype plugin indent on

" Some sane defaults for the explorer
let g:VCSCommandUseFirstMatch=1
let g:explVertical=1
let g:explHideFiles='^\.,.*\.sw[po]$,.*\.pyc$'
let g:explDetailedHelp=0

" Prefer brew installed ctags because system ctags on mac os sucks
if executable("/usr/local/bin/ctags")
    let g:Tlist_Ctags_Cmd="/usr/local/bin/ctags"
endif

" Allow other languages in fenced Markdown blocks
let g:markdown_fenced_languages = ['python=python', 'c++=cpp', 'viml=vim', 'bash=sh', 'ini=dosini']

" This is really slow on large code-bases
" let g:go_fmt_command = "goimports"

" Use vim ctags mappings instead of GoDef mappings because guru is really
" really slow, especially on huge code-bases like Kubernetes
" let g:go_def_mapping_enabled = 0

" Show errors in go code
let g:go_diagnostics_level = 2
" }}}
" Custom Commands {{{
" Cleanup windows crap from line endings
command! TrimSpaces %s/\s\+$//e
command! FixLineEnd %s/
//gi
command! ReIndent !reindent %
command! -bar -nargs=0 SudoW :setl nomod|silent exe 'write !sudo tee % >/dev/null'|let &mod = v:shell_error
"command! W write
"command! Q qa!
" }}}
" Folding Settings {{{
set foldenable
set foldcolumn=3
set foldmethod=marker
" }}}
" {{{ Line and Column Highlighting
function! SetColumnHighlighting(set_on)
    if $TERM_PROGRAM == "Apple_Terminal" || version < 700
        " Apple's Terminal.app is more than slightly retarded when it comes
        " to colors and term compatibility so don't do this stuff on a Mac.
        return
    endif

    if (!&readonly && a:set_on) && &filetype != "text"
        setlocal cursorline
        setlocal cursorcolumn
    else
        setlocal nocursorline
        setlocal nocursorcolumn
    endif
endfunction
" }}}
" Key Bindings {{{
" Copy and Paste to X11 Clipboard
"
" This is required because the terminal version of VIM often isn't compiled
" with support for the xterm clipboard and I don't typically use an xterm
" compatible terminal anyhow. Will read and write the X11 clipboard (C-c, C-v)
" using the xclip command instead.
if executable("xclip")
    nnoremap <silent> <leader>cp :read !xclip -o -selection CLIPBOARD<CR>
    vnoremap <silent> <leader>cc :'<,'>w !xclip -selection clipboard -i<CR><CR>
endif

" Tab Key Bindings
nnoremap tm :tabmove<CR>
nnoremap tc :tabclose<CR>

" Buffer Key Bindings
nnoremap <leader>bn :bnext<CR>
nnoremap <leader>bp :bprev<CR>

" Plugin Key Bindings
nnoremap <leader>fe :Vexplore<CR>

" Convenience Key Bindings
" cs: clears search buffer
nnoremap <silent> cs :let @/=""<CR>
nnoremap sp :set spell!<CR>

" Remap cw so it doesn't clobber the " register
nnoremap cw "_cw

" Expand current file's directory in command mode
cnoremap %% <C-R>=expand('%:h').'/'<CR>
cnoremap %- !mkdir -p <C-R>=expand('%:h').'/'<CR>

" Turns selected camelCase into camel_case
vnoremap <leader>dc :s/\v\C(([a-z]+)([A-Z]))/\2_\l\3/g<CR>

" Forward search for visual selection
vnoremap <expr> // 'y/\V'.escape(@",'\/').'<CR>'

" Easily show/hide undotree
nnoremap <Leader>uu :UndotreeToggle<CR>
" }}}
" {{{ Workarounds For Broken Shit
" These have to be set otherwise you can't write-back
" a modified crontab on Mac OS X. I think it has to do
" with the fact that writing files causes a new file
" handle to be created or somesuch nonsense. Should be
" duplicated in the system vimrc too but here because
" old versions of Mac OS didn't set it properly.
autocmd BufEnter /private/tmp/crontab* setlocal backupcopy=yes
autocmd BufEnter /tmp/crontab* setlocal backupcopy=yes
autocmd BufEnter /private/etc/pw* setlocal backupcopy=yes
autocmd BufEnter $HOME/mail/tmp/mutt-* setlocal backupcopy=yes

" Mac OS X defaults this to 0 in the system vimrc as
" it may have some security implications with nasty
" commands in modelines. Seems that this has been
" patched so probably safe now. CVE-2007-2438
set modelines=5
" }}}
" {{{ Better Grep Settings
if &grepprg ==# 'grep -n $* /dev/null'
  set grepprg=grep\ -rnH\ --exclude='.*.swp'\ --exclude='*~'\ --exclude='*.log'\ --exclude=tags\ $*\ /dev/null
endif
" }}}
" {{{ Better Formatter Settings
if executable("par")
    set formatprg=par
endif
" }}}
" vim:foldenable:foldmethod=marker: